Railroad motor-car truck.



C. H. HOWARD.

RAILROAD MOTOR UA-R TRUCK.

APPLICATION FILED FEB. ze, 1909.

928,976. Patented July .27, 1909.

' l j I J' @JWM ANDREW, s. Gamm co., Fnoro-uwosnmisns. wAsumGYoN. u. c.

* CLARENCE H. HOWARD, OF ST. LOUIS, MISSOURI.

RAILROAD MOTOR-CAR 'I RUCK` Specification of Letters Patent.

Patented .my 27, 1909.

Application led February 26, 1909. Serialr No. 480,130.

To all 'whom it may concern:

Be it known that I, CLARENCE H. HOW- ARD, a citizen of the United States, residing at St. Louis, in the State of lilissouri, have invented a new and useful Improvement in Railroad Motor-Car Trucks, of which the following is a specication.

My invention relates particularly to the side frames of a railroar motor-car truck, and to the means of attaching the motor-bed thereto, and has for its object to increase the efliciency and stability ofthe truck by applying the motive power longitudinally through the upper portion or compression members of the said frames and thereby enable stronger frames of greater depth to be used With the same amount of material While maintaining` the normal height of the motorbed from the track.

The invention consists in features of novelty as hereinafter described and claimed, reference being had to the accompanying drawing forming part of this specification, whereon,

Figure 1, is a top plan view of the side frames and their connecting members forming parts of my improved motor-car truck; Fig. 2, a side elevation thereof; Fig. 3, a vertical transverse section to enlarged scale on line 3, 3, in Fig. 1, through 4the motor-bed forming one of the said members, and showing its attachment to, and means for interlocking with the corresponding side frame (seen in side view broken assay), and Fig. 4, a vertical longitudinal section through the end portion of the motor-bed at its attachment to the side frame, on line l, Il, in Fig. 1.

Like letters and numerals of reference denote like parts in all the figures. Y

a represents the tivo opposite side frames of my improved motor-car truck, Which are connected together at, and adjacent to the rear side of the truck-bolster t (indicated by dotted lines in Fig. 1) by the usual transverse member or transom c, and at, and adjacent to the front side of the bolster t vby the motor-bed d, which is preferably a metallic casting integral throughout, and used in lieu of the usual transverse member or transom on this side of the bolster, While the side frames a are connected together aty their front ends by the transverse member e which is preferably -shaped in cross section.

rlhe motor-bed d on Which the gasolene engine or other suitable motor (not shown) is mounted and fixed in the usual WellknownV manner, is inthe present case preferably concave or trough-shaped in cross section, of suitable Width and depth, and extends length- Wise between and across the side frames a to Which it is rigidly fixed and referably interloclred therewith in the foloa'ing manner Transversely through the .upper portion or compression member of each side frame a and opening through the top thereof, is formed a preferably rectangular-shaped recess 1 which is referably,l ysomewhat longer than the WidtiiL of, and of tliesame depth as the motor-bed d, the recesses 1 being opposite and alined to ,each other and adapted to receive the end portions of the motor-bed d, which lwhen placed therein is flush 'at Athe top with the top yof the side frames a and'bears at its underside on ythe bottom of the recesses lfto which it is rigidly fixed by rivets (or bolts) 2.

From each side of the motor-bed Z Where it engages in the recess 1 of each side frame a projects outwardly a bracket or pocket 3 which is adapted kto bear at its outer face against the corresponding upright end Wall 3 of the recess 1 to which it is iixed by bolts (or rivets) 4 (seen in Figs'. 3 and 4, but omitted fromFig. 1), the motor-bed d thereby iitting closely between the yopposite end Walls 3 and forming a part or continuation ofthe compression members of the side frames a. Furthermore, from the bottom of the motor-bed d preferably, depends a flange 5 which is adapted to bear against the inner face of each side frame a adjacent tothebottom of its recess 1, the iiange 5 being fixed to the frame a thereat by bolts 6 (seen in Figs. 2, 3, and i but omitted from Fig. 1).

For interlocking the motor-bed d in its fixed position with the sidev frames a, the outer face of each bracket 3 is preferably, formed With outwardly pre1' ecting upright lateral lugs or flanges 7 which overlap and bear against the inner and outer sides of the corresponding frame a thereat, whereby the motor-bed d and side frames a are firmly held together in their proper relative positions at all timesandthe latter prevented from spreading.y Furthermore, from the bottom of ythe motor-bed d opposite to eachv lilange 5 securely holds theparts in position thereat.V

' Across themotor-bed d at suitable intervals along the same areformed brackets 9 having respectively, Va bearing 10 'for' the driving shaft of the motor, the bearings 10 being arranged in longitudinal alinement With each other transversely to the truck, and havingtheir longitudinal center preferably, in the horizontal plane of the compression members of the side frames a,

By the above construction in which the `motor-bed forms a partor continuation of the compression members oil the side frames, deeper` and stronger side frames can be used With the same amount of material, and by applying the motive power from the drive shaft of the motor longitudinally through the compression members of the side frames as near as practicable to the railroad track, combined with the interlocking of the motor` bed and side frames with each other, the yefficiency and stability of the truck are increased.

f are suitably shaped openings formed transversely through each side frame a `for receiving the equalizer-springs (not shown) Within the body of the frame a belen7 its top member, whereby sufficient clearance is insured between the top of the frame a and the car-body, the top Wall of each openingf havingla spring-seat 1 l preferably integral there- Wit i.

W hat I claim as my invention and desire to secure by Letters Patent is Y l. In a railroad motor-car truck, the combination with the side frames having respectively, a recess formed transversely therethrough at the top, of a motor-bed adapted to engage in the said recess, and means integral therewith adapted to overlap the edges of the said recess for interlocking the motor-bed with the said frames, substantially as described.

2. In a railroad motor-car truck, the combination with the side frames having respectively, a recess formed transversely therethrough at the top, of a motor-bed adapted to engage in the said recess, means integral With the motor-bed adapted to overlap the edges oi' the said recess for interlocking the motor-bed With the said fra-mes, and means for fixing the said bed t0 the said frames, substantially as described;

3. In a railroad motor-car truck, the combination With the side frames thereof, of the motor-bed adapted to form a part of the compression members of the said frames, substantially as described.

4:. In a railroad motor-car truck, the combination With the side frames thereof, of the motor-bed adapted to form a part of the compression members of the said frames, and means for interlocking the motor-bed with the said frames, substantially as described.

5. In a railroad motor-car truck, the cornbination with the side frames thereof, of the motor-bed adapted to torm a part of the compression members of thesaid frames, and means for fixing the motor-bed to the said frames, substantially as described.

bination With the side frames thereof, of the motor-bed adapted to form a part of the compression members of the said frames and having a bearing for the driving shaft of the motor, the longitudinal center of the said bearing being in the horizontal plane of the said members, and means for interlocking the motor-bed With the said frames, substantially as described.

8. In a railroad motor-car truck, the conibination with the side frames thereof, of the `motored adapted to form part of the compression members of the said frames, and having a bearing for the driving shaft of the motor, the longitudinal center' of the said bearing being in the horizontal plane of the said members, and means foriixing the motora bed to the said frames, substantially as described.

9. In a railroad motor-car truck, the combination With the side frames thereof, of the motor-bed adapted to form a part of the compression members of the said frames and .having a 'bearing for the driving shaft of the motoiythe longitudinal center of the said bearing being in the horizontal plane of the said members, and means for interlocking the motor-bed With, and for fixing it to, the Said frames, substantially as described.

10. In a railroad motor-car truck, the combination with the side frames thereof, of the motor-bed adapted to form a part of the compression members of the said frames, the said frames having openings transversely therethrough adapted to form housings for the equalizer-springs of the truck, and a spring-seat integral With the tcp wall of each of the said openings, substantially as described.

11. In a railroad motor-car truck, the combination With the side frames thereof, of the i motor-bed adapted to form a part of the i compression members of the said frames, the

said frames having openings transversely therethrough adapted to form housings for the equalizer-springs of the truck, and a spring-seat Within each of the said openings, substantially as described. Y

CLARENCE II. HOWARD. Witnesses:

HAL C. BnLLvILLn, EDWARD W. Funniest. 

